ME home
 
  SME FaceBook SME Twitter SME LinkedIn RSS Feed

Subscriber or
SME Member Log On

WEB-ONLY CONTENT

Go to SME eNEWS

MINING INDUSTRY EVENTS

COMAT 2018  - Conference
Nov 14, 2018 - Nov 16, 2018
Process Mineralogy 2018  - Conference
Nov 19, 2018 - Nov 21, 2018
Mine Ventilation in South America  - Conference
Nov 21, 2018 - Nov 22, 2018
7th Minex Eurasia  - Conference
Nov 22, 2018 - Nov 23, 2018

METAL PRICES


Au
Ag
Pt
Pd
Ni
Cu
Al
Pb

AGGREGATES
AND MINERALS
MARKETPLACE


http://aggregatesmineralsmarketplace.com
The Mining Engineering, SME and NSSGA
Online Buyers Directory Site
The Online Global Mining and Minerals Library Site
November 2018
Volume 70    Issue 11

Improving protection against respirable dust at an underground crusher booth

Mining Engineering, 2018, Vol. 70, No. 11, pp. 48-52
Patts, J.R.; Cecala, A.B.; Rider, J.P.; Organiscak, J.A.

DOI: https://doi.org/10.19150/me.8602

ABSTRACT:

The U.S. National Institute for Occupational Safety and Health completed a 15-month study at an underground limestone mine crusher booth that evaluated three research parameters: (1) the effectiveness of a filtration and pressurization system for improving the air quality inside the operator booth, (2) the relative effectiveness of η > 99 and η > 95 experimental prototype filters in the system, and (3) the performance of three different cab pressure monitoring devices. The protection factor was quantified monthly using particle counters in the respirable dust range of 0.3 to 1 µm particle size, and gravimetric dust samples were gathered at the beginning and end of the overall study. Under static (closed-door) conditions, the filtration unit offered a gravimetric calculated protection factor between 10 and 31, depending on the filter type and loading condition. The monthly particle counting analysis shows that the η > 95 filter offers a protection factor nearly five times that of the η > 99 filter, where n = 15 samples. The booth pressure monitors were tested and proved to be a valid indicator of system performance over time.



Please login to access this article.

OR

If you are not an SME member, you can join SME by clicking the button below.